Worldwide, Giuàn (Giuàn) is an extremely rare unknown gender first name.
Džons, Evan, Gian, Gianni, Giannis, Giovan, Giovanni, Giuan, Hanns, Hans, Honsa, Honza, Huans, Ian, Ieuan, Ifan, Ioan, Ioann, Ioannes, Ioannis, Ion, Ivan, Ivano, Ivans, Ivo, Iván, Iwan, Jaan, Jack, Jan, Janos, Jean, Joan, Joannes, Jogvan, Johan, Johann, Johannes, Johano, John, Johnny, Jon, João, Juan, János, Jógvan, Jóhan, Jóhann, Jóhannes, Jón,